Roof Exhaust Vent Leak

There s an issue with the flashing for the vent cap.

Roof exhaust vent leak.

Sounds like the leak is where the exhaust pipe penatrates the roof. Vent pipe leaks during heavy rain can occur if you have cracks in your vent pipe boot or flashing. Even if you created a hole that s of the perfect size for the vent pipe there will still be gaps around the pipe. A roof that leaks around a vent pipe is a common cause of small water stains on a ceiling or water leaking into a home.

Leaking roof vent pipe roof vent pipes are common areas for roof leaks. Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe. These boots vary in quality flexibility and longevity. This is why roofers add a flashing to the vent cap.

Could b the cap or at the flashing at the roof. When your roof was installed each vent pipe received a flexible boot to seal water around the round surface of the vent pipe. Steps for fixing a leaking rooftop vent pipe. Roof vent leaking there are many possible parts of the roof potentially leaking but one of the most common ones is the area around the roof vent.

Use the knife blade to scrape the pipe clean and smooth. You have to understand that the vent is installed by making a hole in the roof. Cut away the old caulk from around the vent pipe. A roofer would be a sure bet to repair replace whatever it is.

A handyman could likely replace the cap be sure to ask before having one come out. Roof vent pipes from plumbing or exhaust vents penetrate the roof and are usually sealed using a collar style flashing made out of a flexible material like epdm rubber or flexible pvc. The roof vent pipe is installed cut through the roof and around the pipe attached to the roof is surrounded with rubber boot as insulation for the gap between the pipe and roof.